.swarp{
    height: 336px;
    // background: red;
    transition: all 1s;
    &.aa{
        opacity: 1
    }
    .ban {
        width: 980px;
        height: 100%;
        margin: 0 auto;
        position: relative;
        .left{
            position: relative;
            width: 730px;
            height: 100%;
            float: left;
            .lb{
                li{
                    position: absolute;
                    opacity: 0;
                    transition: all 1s;
                    &.show{
                        opacity: 1;
                    }
                }
            }
            .dian {
                position: absolute;
                bottom: 15px;
                left:50%;
                transform: translateX(-50%);
                z-index: 2;
                li{
                    height: 10px;
                    width: 10px;
                    background: rgba(0,0,0,0.3);
                    border-radius: 50%;
                    float: left;
                    margin-right: 25px;
                }
            }
        }
        .goToLeft, .goToRight{
            height: 63px;
            width: 37px;
            background:  url(../images/banner.png) no-repeat;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }
        .goToLeft{
            left: -60px;
            background-position: 0 -360px;
            &:hover{
                 background-position: 0 -430px;
            }
        }
        .goToRight{
            right: -60px;
            background-position: 0 -508px;
            &:hover{
                 background-position: 0 -578px;
            }
        }
        .right{
            height: 100%;
            width: 250px;
            float: right;
            background: deeppink url(../images/download.png) no-repeat;
            a{  
                display: block;
                height: 56px;
                width: 215px;
                margin-top: 212px;
                margin-left: 19px;
                &:hover{
                   background: url(../images/download.png) no-repeat 0 -340px; 
                }
            }
            p{
                font-size: 12px;
                color: #ccc;
                text-align: center;
                margin-top: 15px;
            }
        }
    }

}